/Engine/Source/Runtime/TypedElementRuntime/Public/Elements/Framework/TypedElementSelectionSet.h
Serializes the current selection set. The calling code is responsible for storing any state information. The selection set can be returned to a prior state using RestoreSelectionState.
the current state of the selection set.
[FTypedElementSelectionSetState](API\Runtime\TypedElementRuntime\Elements\Framework\FTypedElementSelectionSetState) GetCurrentSelectionState() const